EP3727897A1 - Pneumatique comprenant un cordon conducteur - Google Patents
Pneumatique comprenant un cordon conducteurInfo
- Publication number
- EP3727897A1 EP3727897A1 EP18839872.1A EP18839872A EP3727897A1 EP 3727897 A1 EP3727897 A1 EP 3727897A1 EP 18839872 A EP18839872 A EP 18839872A EP 3727897 A1 EP3727897 A1 EP 3727897A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- tire
- conductive
- tread
- peg
- bead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/08—Electric-charge-dissipating arrangements
- B60C19/082—Electric-charge-dissipating arrangements comprising a conductive tread insert
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C5/00—Inflatable pneumatic tyres or inner tubes
- B60C5/12—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim
- B60C5/14—Inflatable pneumatic tyres or inner tubes without separate inflatable inserts, e.g. tubeless tyres with transverse section open to the rim with impervious liner or coating on the inner wall of the tyre
Definitions
- the present invention relates to a tire consisting of a carcass, a substantially insulating top block and a substantially insulating tread. It relates more particularly to a tire whose tread also comprises substantially conductive elements.
- Electrostatic charges stored by a vehicle running must be able to be removed from the wheel to the ground to make the tires comply with specific standards.
- tires According to the WDK110 standard, tires must have a minimum electrical conductive character when their conductivity is measured between the ground and the wheel.
- the maximum threshold of electrical resistance is 1 E 10 Ohm.
- the patent application DE19520996 relates to a tire having a tread whose first layer is substantially non-conductive, and one of the lower layers is composed of conductive materials. Said substantially electrically conductive layer extends radially outwardly of the ground engaging surface and is connected to a second conductive layer under the tread and connected to the bead region of the tire. This arrangement is electrically conductive.
- EP1533144 discloses a tire whose side has an inner rubber layer whose electrical conductivity is high. This inner rubber band extends radially outwardly from the bead portion of the tire to one of the base layers of the tread. Said rubber band thus makes it possible to provide an increased electrical conductivity.
- EP1175992 discloses a method of manufacturing a tire tread provided with a conductive layer of electricity.
- This layer comprises an unvulcanized rubber tape, highly electrically conductive.
- EP2193934 relates to a tire whose tread contains an electrically conductive rubber strip.
- This conductive layer extends radially from a base layer of the tread towards the outside of the tread. This layer causes electrical conductivity through the non-conductive layer of the tread.
- the electrical conductivity is provided by the arrangement of conductive layers.
- these architectures require the use of layers specifically designed to ensure conductivity.
- Another way to control the electrical conductivity of the tire is for example, according to DE102011000361, a method for forming an electrically conductive wire.
- This conductive wire is unwound continuously from a cylindrical coil, and is held in position by means of a net-shaped elastic.
- the yarn is conductive by its elastomeric composition.
- the conductive wire is then affixed to a tire carcass insert to improve the conductivity of the tire sidewall.
- the application EP2567833 relates to a carcass ply comprising a plurality of purge and discharge cords having sufficient electrical conductivity to allow electrical charge to be conducted from the tire structure to a portion of the tire bead, through the carcass ply.
- the document FR2930192 discloses a tire reinforcing ply consisting of a set of son coated with a rubber band weakly electrically conductive. Part of the son are coated with a rubber mix whose outer layer is electrically conductive. Other threads are coated with a rubber mix whose outer layer is very weakly electrically conductive.
- the set of son is interposed so as to form one or more conductive passages of electricity between the upper part and the lower part of the sheet.
- the application EP1621365 relates to a rubber tire tire containing at least one electrically conductive bead.
- the electrically conductive bead extends from an outer surface of the bead of the tire to an inner layer of the tread. Such an arrangement makes it possible to create an electrically conductive passage between the outer surface of the rim of the tire and the inner base layer of the tread.
- the bead is made of at least one conductive metal filament wound spirally around a core disposed in the center of at least one organic fiber.
- Another electrically conductive arrangement is, for example, as described in document DE102006050840, a tire having a tread consisting of a conductive portion and a coil consisting of layers of non-conductive materials from a composite mixture.
- the outermost layer is composed of electrically conductive materials between its outer and lower portions to produce an electrically conductive passage.
- the application EP0658452 also relates to a tire comprising a conductive insert.
- the conductive insert is incorporated in the tread of the tire, and extends in an annular configuration, circumferentially around the tread.
- the conductive insert extends across the width of the tread to the outside of the tread.
- the insert has sufficient electrical conductivity to allow the electrostatic charges stored by the vehicle to be discharged to the ground by the tire.
- US6220319 discloses a rubber compound tire having a high electrical resistance.
- the tread has a conductive electrical filament extending from the inner surface to the outer surface of the tread.
- An electrically conductive passage is created through the tread.
- the application US2004069386 relates to a tire for tires whose tread is electrically conductive.
- the tread is arranged with an electrically resistant rubber composition and a conductive passage in the tire belt.
- a conductive passage extends from the belt layer to a section of the tire carcass.
- EP1659005 discloses a tire whose flanks are made of materials with very low electrical conductivity, and are also provided with a conductive strip of small thickness and small width made with electrically conductive materials and ensuring the connection between the area of top and the low area of the tire, to ensure the transmission of electrical charges to the wheel of the vehicle.
- the conductive strip is arranged in the sidewall, in the immediate vicinity of the axially outer layer of the sidewall. This embodiment makes it possible to ensure the electrical conduction function, but implies the implementation of a specific architecture to allow the integration of the conductive strips without affecting the durability of the product.
- Document FR3040017 discloses a tire comprising a carcass, a substantially insulating top block, and a radially inner inner tread layer with a substantially insulating top, a substantially conductive tongue made of elastomeric materials and arranged radially across the tread strip. rolling, the tire also comprising at least one conductive wire extending between the radially inner end of the tongue to the nearest conductive layer. The conductive layer remaining quite far from the tongue, the conductive wire travels a considerable distance in the tire to connect the two parts together.
- NL2006420 discloses a tire with a weakly conductive tread having a conductive inner layer connected to the outer surface of the tread by a plurality of conical pegs implanted in the tread, the enlarged portion of the cone being capable of to contact the ground while taxiing.
- the introduction of the dowels includes a step of digging the tread to provide housing for positioning the dowels.
- Such an architecture involves the formation of stress concentration areas at the tip of the cones of the ankle housings. These areas of stress concentration are likely to generate cracks in the tread.
- US2004069386 discloses a tire in which one or more radial conductor bridges are arranged to ensure good conductivity between the outer layer of the tread and the conductive inner layers of the tire.
- the decks are entirely arranged in the internal volume of the tread.
- multi-section bridges are planned. This type of architecture is particularly complex and expensive to implement.
- US2641294 describes a tire provided with son extending between the base of the sidewalls and the central area of the tread. These wires are designed to ensure good electrical conductivity. The ends of the wires cross the tread to contact the ground.
- a variant provides the implantation of conductive metal pins connected to the son, inserted in the tread, with a prominent portion. Such an architecture involves the formation of stress concentration zones at the enlarged body of the ankles. These areas of stress concentration are likely to generate cracks in the tread.
- the invention provides different technical means.
- a first object of the invention is to provide a tire architecture complies with safety standards.
- Yet another object of the invention is to preserve the electrical conductivity in the presence of different components, including insulating, tire.
- Another objective of the invention is to provide a tire having good electrical conductivity characteristics, with minimal impact on the mechanical characteristics of this tire.
- Another object of the invention is to provide a simple method for the installation of conductive elements between certain layers of the tire.
- the invention provides a tire comprising flanks, a substantially electrically insulating vertex block and a substantially insulating tread, the tire also comprising at least one radially oriented conductive peg and positioned under the strip.
- rolling of the tire said peg cooperating with an internal conductive element of the tire capable of ensuring electrical conductivity between the one or more pegs and the lower zone of the tire likely to be in contact with a rim on which said tire can be mounted, said conductive peg being placed in a recess flush with the inner surface of the tire cavity and said conductive peg comprising a peg head arranged in the extension of an anchor pin, said peg head being disposed under the tread of the peg; pneumatically, preferably outside the housing.
- the conductive dowel ensures electrical continuity between the ground and the rim.
- the implementation has no significant impact on the architecture and manufacture of the tire. It is thus possible to use this approach to correct a posteriori implementations in which there is insufficient conductivity.
- the conductive plug has a neutral mechanical impact on the tire. Its mass and its thickness are very small, so that the ankle has no noticeable effect on the tire, unlike the elastomer material strip of the prior art which creates a zone of extra thickness and increases the mass of the tire.
- the dowels or to ensure the conductivity is between the ground and an inner conductive element, or between a conductive ring and an inner conductive element, the conductive element electrically cooperating with the dowels.
- This conductive member extends between the conductive pins and a low conductive area of the tire, providing conductivity to a rim on which the tire is mounted.
- the conductive inner element is one or a plurality of conductive cords.
- the conductive cord is for example a filament of conductive material or paint or other conductive coating, applied inside the tire.
- the conductive plug and the bead can be put in place on a tire already manufactured and vulcanized to obtain electrical conductivity for tires having insulating components.
- the conductive bead extends on the inner face of the tire to under the heel or even to the level of the bead wire.
- the bead ensures conductivity to the rim on which the tire is mounted.
- an intermediate conductive layer in the lower zone ensures the conductivity between the bead and the rim on which the tire is mounted.
- the inner conductive member is an inner layer of the tire, preferably a sealing layer or the carcass of the tire.
- the inner layer is a conventionally integrated layer during the manufacture of a tire.
- this inner layer may be conductive, for example due to the presence of charges of the carbon black type or other conductor. The presence of a conductive inner layer avoids adding a conductive cord and simplifies the implementation.
- the conductive bead and / or the conductive anchor consists of an elastomeric mixture comprising a conductive element, or conductive elastomeric thermoplastic.
- the thermoplastic elastomer may be loaded with carbon black or other conductor such as graphite, grapheme, or a carbon nanotube.
- the conductive elastomeric thermoplastic may also be used to make the conductive plug.
- the conductive cord is made of conductive paint.
- the conductive cord may also be made of SBS, SIS, SIBS, SEBS or TPU. This characteristic makes it possible to apply the bead after vulcanization if necessary, because these materials do not need baking.
- an inner conductive ring preferably made of elastomeric material, electrically connects all the pins and opens on the radially outer surface of the tread.
- the conductive anchor is extended on each side of the conductive ring. This ensures excellent conductivity.
- the conductive plug extends radially outwardly along the conductive ring.
- a plurality of pins are distributed circumferentially in the tread of the tire and open on the radially outer surface of the tread.
- the ankle head has a diameter at least greater than 1.5 times the diameter of the pin of the ankle, and more preferably at least greater than twice the diameter of the pin of the ankle.
- the invention also provides a method for producing a tire as previously described, the tread of which is non-conductive, in order to make said conductive tire, comprising the steps of:
- each housing ii) positioning in each housing at least one conductive pin having an ankle head, so that the head of the ankle is under the tread; iii) vulcanizing said tire or locally vulcanizing the ankle.
- the method also comprises a step of laying at least one conductive bead inside the tire.
- the method also comprises a step of placing an inner peripheral ring.
- FIGS. 1a and 1b are sectional views of a tire portion according to the prior art
- FIG. 2 is a section of a cross section of a first example of a tire according to the invention.
- FIG. 3 is a section of the same tire portion according to another embodiment of the invention.
- FIG. 4 is a section of the same tire portion according to yet another embodiment of the invention.
- FIGS. 5a and 5b illustrate various examples of laying the conductive plug in relation to the conductive ring
- FIG. 6 is a cross sectional section of another example of a tire
- FIG. 7 is a section of the same tire portion according to yet another embodiment
- FIG. 8 is a section of the same tire portion according to yet another embodiment
- - Figure 9 is an axial section of an embodiment having a bead for each peg;
- - Figure 10 is an axial section of an embodiment having an inner conductive ring providing the electrical connection between the dowels and at least one bead.
- substantially insulating means an electrical conductivity having the effect that the tire would be likely to approach the minimum threshold of conductivity as defined by WDK110 previously mentioned.
- “Ankle” means an element which, after being placed in the tire, extends circumferentially over a very small distance with respect to the perimeter of the tread of the tire, and, transversely, also extends transversely over a very small distance to the width of the tread.
- FIG. 1 illustrates an exemplary embodiment of a tire of known type in which the electrical conductivity through the insulating tread is provided by a conductive ring 20 passing through the tread 8.
- the conductive ring 20 is composed of elastomeric mixtures, passes through the tread 8 and provides electrical conductivity from the conductive inner layers to the ground. Such an arrangement therefore makes it possible to obtain a conductive passage between the ground and the wheel of the vehicle as soon as the crown block 8 and / or the shoulder reinforcement 4 of the tire, and / or the carcass 6, as well as the material elastomer in contact with the rim, are substantially conductive.
- FIGS 2, 3 and 4 illustrate for example a tire in which the top block 8 is insulating. In this case, the conductive ring 20 is no longer in contact with a conductive elastomeric mixture, the electrical continuity is no longer ensured.
- Figure 2 illustrates an embodiment in which the electrical continuity between the conductive pin 21 and the rim is provided by a bead 22 extending along the inner wall of the sidewall 2 to the bead 9 of the tire.
- the cord 22 comprises a portion 24 returned under the heel 12 of the tire. This portion 24 makes it possible to ensure direct contact with the rim, for example when the entire sidewall of the tire consists of non-conductive materials.
- Such an architecture promotes the conductivity of the tire 1 towards the ground through the top block 7, along the sidewall, to the rim.
- FIG. 3 shows an alternative embodiment in which the conductive bead 22 extends on the inner wall of the sidewall 2 to the region of the bead wire 11.
- This last embodiment is suitable, for example, when the elastomer mixture used to form the lower zone, in particular the bead 9, is conductive, thus ensuring the electrical conductivity between the low zone 10 and the rim on which the tire is mounted.
- FIG. 4 illustrates an embodiment variant according to which the electrical continuity between the conductive pin 21 and the rim is ensured by an inner conductive layer 5 arranged along the inner wall of the tire, a bead 9 to the other, passing through the flanks 2 the summit area.
- Such a architecture allows the conductivity between the conductive pin 21 and the low zone of the tire.
- a material of the low zone 10, also conducting, then provides the conductivity from the inner layer 5 to the rim on which the tire is mounted.
- FIGS. 5a and 5b illustrate examples of electrical cooperation mode between the peripheral ring 20 and the peg 21.
- the peg 21 is in contact with the radially inner portion of the peg. ring 20.
- the pin 21 is in contact with the radially inner portion of the ring 20 and extends radially outwardly along at least one side of the ring, to ensure better electrical conductivity.
- a method of producing a tire provides the following steps, consisting first of drilling the inside of the tread of the tire to the tire. using a suitable tool. The next step is to inject a conductive peg into the hole made. The injection is made from the tire cavity. If necessary, one or more conductive cords are then applied along at least one sidewall. Then, depending on the case, if the tire is in the uncured state, the latter goes to the molding-baking stage, or if the tire is already vulcanized, the anchors and / or cords are locally cured. . Thanks to these different possibilities, it is possible to configure as previously described, to make it conductive, a newly manufactured tire or a previously manufactured tire.
- the tire 1 comprises a plurality of conductive pins radially oriented 21 distributed circumferentially in the tread of the tire. Given the fact that the tread is insulating, these dowels provide electrical conductivity between the ground and the inner portion of the tire.
- the number and distribution of the inserts on the circumferential race of the tread are provided to allow that there is always at least one peg in contact with the ground.
- at least twelve pegs are provided, one peg every 30 degrees.
- a larger number of pegs for example 20 pegs, or one peg at every 18 degrees is provided.
- FIG. 6 illustrates an embodiment in which the electrical continuity between the plugs 21 and the rim is provided by one or preferably a plurality of cords 22 extending along the inner wall of the sidewall 2 to bead 9 of the tire.
- the cord 22 comprises a portion 24 returned under the heel 12 of the tire. This portion 24 makes it possible to ensure direct contact with the rim, for example when the entire sidewall of the tire consists of non-conductive materials.
- Such an architecture promotes the conductivity of the tire 1 towards the ground through the top block 7, along the sidewall, to the rim.
- FIG. 7 shows an alternative embodiment in which the conductive cords 22 extend on the inner wall of the sidewall 2 to the region of the bead wire 11.
- This last embodiment is suitable, for example, when the elastomer mixture used to form the lower zone, in particular the bead 9, is conductive, thus ensuring the electrical conductivity between the low zone 10 and the rim on which the tire is mounted.
- FIG. 8 illustrates an alternative embodiment in which the electrical continuity between the plugs 21 and the rim is ensured by an inner conductive layer 5 arranged along the inner wall of the tire, from one bead 9 to the other. , passing through the flanks 2 the summit area.
- a low area material 10 also conductive, then provides the conductivity from the inner layer 5 to the rim on which the tire is mounted.
- Figure 9 illustrates with a meridian section an example of angular distribution of pins 21 and cords 22, arranged in the continuity of the dowels. This arrangement provides a cord aligned in the continuity of each of the dowels.
- FIG. 10 illustrates another exemplary embodiment in which the tire comprises an inner conductive ring 27 connecting at least a portion and preferably all of the pins 21.
- the electrical continuity towards the lower zone can be provided by a single conductive cord 22 connecting the inner ring 20 to the lower zone of the tire.
- a method for producing a tire provides the following steps, consisting firstly of arranging a plurality of radial openings at the multiple positions provided along the length of the tire. tread, using a suitable tool. Then, the next step is to inject, into each of the openings, a conductive plug. If necessary, an inner conductive ring is arranged.
- one or more conductive cords are then applied along at least one sidewall. Then, depending on the case, if the tire is in the uncured state, the latter goes to the molding-baking stage, or if the tire is already vulcanized, the anchors and / or cords are locally cured. . Thanks to these different possibilities, it is possible to configure as previously described, to make it conductive, a newly manufactured tire or a previously manufactured tire.
- the conductive pins 21 comprise a rod 26 in the form of elongate cylindrical body, surmounted by a head 23 of ankle diameter greater than that of the rod.
- the head diameter 23 corresponds to at least 1.5 times, and preferably at least twice the diameter of the stem.
- the inner face of the head is substantially flat to be well against the inner face of the tire cavity.
- the external profile of the head is rounded.
- the head has a conical profile.
- the plugs are made of conductive thermoplastic elastomer (TPE), that is to say whose electrical conductivity is at least five times, and preferably at least ten times greater than that of the adjacent zone of the strip. rolling.
- the thermoplastic elastomer may be loaded with carbon black or other conductor such as graphite, grapheme, or a carbon nanotube.
- the ankle head 23 may or may not exceed the inner surface of the tire.
- the ankle head 23 may form an inward or outward protuberance, which may be substantially spherical in shape.
- the ankle head can also be in the continuity of the inner surface of the tire.
- the resistivity of the ankle material is log r ⁇ 4 and preferably log r ⁇ 3 and even more preferentially log r ⁇ 2.5.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1771425A FR3075694A3 (fr) | 2017-12-22 | 2017-12-22 | Pneumatique comprenant un cordon conducteur |
| FR1771426A FR3075695A3 (fr) | 2017-12-22 | 2017-12-22 | Pneumatique comprenant une pluralite de chevilles conductrices |
| PCT/IB2018/060420 WO2019123363A1 (fr) | 2017-12-22 | 2018-12-20 | Pneumatique comprenant un cordon conducteur |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3727897A1 true EP3727897A1 (fr) | 2020-10-28 |
| EP3727897B1 EP3727897B1 (fr) | 2021-12-01 |
Family
ID=65234603
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18839872.1A Active EP3727897B1 (fr) | 2017-12-22 | 2018-12-20 | Pneumatique comprenant un cordon conducteur |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US11560023B2 (fr) |
| EP (1) | EP3727897B1 (fr) |
| CN (1) | CN111479710B (fr) |
| WO (1) | WO2019123363A1 (fr) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102267900B1 (ko) * | 2019-09-24 | 2021-06-24 | 한국타이어앤테크놀로지 주식회사 | 금속염이 도금된 섬유를 포함하는 비공기입 타이어 |
| JP7733549B2 (ja) * | 2021-11-18 | 2025-09-03 | 株式会社ブリヂストン | タイヤ |
| CN114211914B (zh) * | 2022-01-25 | 2024-07-02 | 东风汽车有限公司东风日产乘用车公司 | 一种具有鼓包监测功能的轮胎及其生产方法 |
| DE102023207014A1 (de) | 2023-07-24 | 2025-01-30 | Continental Reifen Deutschland Gmbh | Leifähigkeitskanal für einen Fahrzeugreifen und Herstellungsverfahren |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2641294A (en) | 1950-06-13 | 1953-06-09 | Bridgefield Guillermo Palacios | Electric current discharge rubber tire |
| FR1198271A (fr) * | 1957-06-27 | 1959-12-07 | Perfectionnements aux enveloppes pneumatiques | |
| IT1264990B1 (it) | 1993-12-14 | 1996-10-17 | Pirelli | Pneumatico antistatico con mescole a basso tenore di nero di carbonio |
| KR950026707A (ko) * | 1994-03-14 | 1995-10-16 | 이명관 | 자동차의 대지(大地)접지용 타이어 |
| DE4447823B4 (de) * | 1994-12-21 | 2007-07-26 | Dunlop Gmbh | Fahrzeugreifen und Verfahren zu seiner Herstellung |
| DE19520996C2 (de) | 1995-06-08 | 2000-01-13 | Sp Reifenwerke Gmbh | Fahrzeugreifen mit Ladungsableitung |
| DE19603441C2 (de) * | 1996-02-01 | 1999-12-23 | Continental Ag | Verfahren zur Herstellung eines Fahrzeugreifens |
| US6951233B1 (en) * | 1998-02-26 | 2005-10-04 | Compagnie Generale Des Etablissements Michelin-Michelin & Cie | Electrically conductive tire and apparatus and process for extruding elements which have been made conductive |
| KR100285608B1 (ko) | 1998-04-29 | 2001-04-02 | 김형곤 | 정전기 방지용 타이어 제조 방법 |
| US6220319B1 (en) | 1998-10-19 | 2001-04-24 | The Goodyear Tire & Rubber Company | Tire with tread containing electrically conductive staples |
| ES2238242T3 (es) * | 1999-11-23 | 2005-09-01 | Societe De Technologie Michelin | Aparato para la coextrusion de mezclas de caucho. |
| JP2002096402A (ja) | 2000-07-19 | 2002-04-02 | Bridgestone Corp | タイヤ用トレッドの製造方法 |
| US6868878B2 (en) | 2002-10-14 | 2005-03-22 | Michelin Recherche Et Technique S.A. | Pneumatic tire including belt cushion section and having conductive path between belt layer and carcass and method of making same |
| US7011125B2 (en) | 2003-11-18 | 2006-03-14 | The Goodyear Tire & Rubber Company | Tire with rubber sidewall containing internal electrically conductive rubber strip |
| US7284583B2 (en) | 2004-07-27 | 2007-10-23 | The Goodyear Tire & Rubber Company | Pneumatic tire with electrically conductive cord extending from its outer wheel-rim mounting surface to its internal tread portion |
| DE602005004481T2 (de) | 2004-11-18 | 2009-01-22 | Société de Technologie Michelin | Elektrisch leitender Gummistreifen |
| DE102006050840B4 (de) | 2006-10-27 | 2014-04-30 | Continental Reifen Deutschland Gmbh | Verfahren zur Herstellung eines Fahrzeugluftreifens |
| FR2930192A1 (fr) | 2008-04-16 | 2009-10-23 | Michelin Soc Tech | Nappes de fils entre lesquels sont intercales des fils enrobes dans un melange conducteur de l'electricite. |
| US20100132859A1 (en) | 2008-12-02 | 2010-06-03 | Pascal Patrick Steiner | Tire with electrically non-conductive tread which contains electrically conductive rubber strip |
| DE102011000361B4 (de) | 2011-01-27 | 2012-09-13 | Continental Reifen Deutschland Gmbh | Verfahren zum Auflegen eines elektrisch leitfähigen Fadens auf eine Karkass-Einlage zur Verbesserung der Leitfähigkeit der Seitenwand eines Fahrzeugreifens |
| NL2006420C2 (en) | 2011-03-18 | 2012-09-19 | Apollo Vredestein Bv | Method of manufacturing an antistatic vehicle tire and vehicle tire obtainable by the method. |
| US20130056128A1 (en) | 2011-09-06 | 2013-03-07 | Carlo Kanz | Pneumatic tire with conductive bleeder cords |
| DE102012009829A1 (de) * | 2012-05-18 | 2012-11-22 | Daimler Ag | Fahrzeugluftreifen, Fahrzeug mit daran montierten Fahrzeugluftreifen sowie Verfahren zum Überprüfen der Ableitfähigkeit von elektrischem Strom von einer Karosserie eines Fahrzeugs über dessen Fahrzeugluftreifen |
| JP5841551B2 (ja) * | 2013-01-09 | 2016-01-13 | 住友ゴム工業株式会社 | 空気入りタイヤ |
| FR3040017A1 (fr) | 2015-08-10 | 2017-02-17 | Michelin & Cie | Pneumatique comprenant un fil conducteur |
-
2018
- 2018-12-20 EP EP18839872.1A patent/EP3727897B1/fr active Active
- 2018-12-20 US US16/955,563 patent/US11560023B2/en active Active
- 2018-12-20 WO PCT/IB2018/060420 patent/WO2019123363A1/fr not_active Ceased
- 2018-12-20 CN CN201880081275.9A patent/CN111479710B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111479710A (zh) | 2020-07-31 |
| US20200331307A1 (en) | 2020-10-22 |
| US11560023B2 (en) | 2023-01-24 |
| CN111479710B (zh) | 2022-05-17 |
| WO2019123363A1 (fr) | 2019-06-27 |
| EP3727897B1 (fr) | 2021-12-01 |
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